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Which one of the following statements is...

Which one of the following statements is wrong?

A

Agar-agar is obtained from Gelidium and Gracilaria

B

Laminaria and Sargassum are used as food

C

Algae increase the level of dissolved oxygen in the immediate environment

D

Algin is obtained from red algae, and carrageenan from brown algae.

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The correct Answer is:
D
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